Absobing excess oils and odours and increasing time between washes. I love making hair feel fresh again, and l can even give volume and texture if you spray me at the roots. Tigi Rockaholic Dirty Secret Dry Shampoo means you dont have to shampoo everyday. Spray onto the roots of hair to absorb excess oils, make hair smell fresh and keep it rockin for one more night. This Tigi Dry shampoo is so great and simplet to use its a must for all rockaholics.